Thanks, double checked everything and resoldered questionable connections. Think that the injector driver might be bad. Going to try it tomorow. The unit wasnt grounding out the injectors before. Dumb guys in my shop tried to jump the car with a jump pack and a charger and the secondary...
i am trying to tune a mazdaspeed protege that has a mpi piggyback setup. the secondary injectors arent firing right now. Nick doen't have the wiring diagrams for the protege anymore so i was wondering if anyone had them. the mpi tuner doesnt seem to be grounding out the injectors to fire and...